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Forum: Security

Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc

  1. Sticky Thread Sticky: A short guide to Linux security

    Here at linuxforums.org we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...

    Started by fingal, 02-25-2006
    • Replies: 1
    • Views: 71,498
    01-11-2010 Go to last post
  2.  
  1. How secure is this IPTABLES setup?

    I'm a bit of a newb and this is my first go at creating an iptables / nat script. however I'm not sure if this is secure enough... i really want to...

    Started by jimbo7, 07-14-2007
    • Replies: 1
    • Views: 10,544
    07-16-2007 Go to last post
  2. LIVE-CD to check wireless security

    hi I'm looking for a linux LIVE-CD to check wireless security. greetings cc

    Started by cc, 07-14-2007
    • Replies: 1
    • Views: 946
    07-15-2007 Go to last post
  3. Routing tables misteriously reloaded

    Hi A few days ago my server suddenly went offline out of the blue, after over a year of uptime. RHEL 4. I could get the ISP to ping it from the...

    Started by DJJoe, 07-11-2007
    • Replies: 0
    • Views: 960
    07-11-2007 Go to last post
  4. secure network question

    if i have IPCop on a computer that is wirelessly connected to the internet and i have 2 ethernet cards in it, would i be able to hook that computer...

    Started by killzoneman00, 07-11-2007
    • Replies: 1
    • Views: 786
    07-11-2007 Go to last post
  5. virus scanner on linux

    hi should I install virus scanner on my linux server, except mail server or should forget this at the moment ? the whole mail traffic will be...

    Started by cc, 07-11-2007
    • Replies: 2
    • Views: 1,184
    07-11-2007 Go to last post
  6. using 'script' with sshd

    my users like to delete their .bash_history files or just ln them to /dev/null. i am looking for a way to keep track of what they are doing...

    Started by cipherus, 07-09-2007
    • Replies: 5
    • Views: 1,063
    07-09-2007 Go to last post
  7. iptables

    Hi all, i want to make the port 23 as filtered. when some body tries to scan my system ports using Nmap, it has to display as filtered how...

    Started by mallik, 07-08-2007
    • Replies: 1
    • Views: 926
    07-08-2007 Go to last post
  8. selinux AVC errors despite making a rule :(

    Hey all, Okay I got a server running FC6 and Plesk 8.1.1 running websites. I do a : grep avc /var/log/messages to see any policies need...

    Started by aus-city, 06-30-2007
    • Replies: 0
    • Views: 1,181
    06-30-2007 Go to last post
  9. IDSs/IPSs that send SNMP traps

    Hi All, I am trying to find open source IDSs/IPSs that can send SNMP traps. The idea behind this is that there will be a centralised system that...

    Started by Nautilus, 06-21-2007
    • Replies: 1
    • Views: 1,120
    06-28-2007 Go to last post
  10. help! able to view htaccess file!

    I've got the following line in /etc/apache2/httpd.conf <FilesMatch "^\.ht"> Order allow,deny Deny from all </FilesMatch> but if I...

    Started by bentaylor, 06-25-2007
    • Replies: 1
    • Views: 939
    06-25-2007 Go to last post
  11. Lightbulb user should logout if inactive

    I am trying for a certain thing. if the user is inactive or idle for certain period say 1 hour he should be logout by system. one way is to write...

    Started by sharik_pahwa, 06-22-2007
    • Replies: 1
    • Views: 889
    06-22-2007 Go to last post
  12. Is it possible to know who accessed

    a file? For example, if some file is marked read only for everyone, and someone copies it, is it possible to track him down? thanks

    Started by statt, 06-20-2007
    • Replies: 2
    • Views: 978
    06-21-2007 Go to last post
  13. Unhappy HI All....

    can anyone suggest me how to disable any particular logging in /var/log/messages ( like if i want to disable network related logs ) in other words i...

    Started by sharik_pahwa, 06-16-2007
    • Replies: 1
    • Views: 877
    06-20-2007 Go to last post
  14. Please help!!

    Hello,.. My brother just died, he had a webDesign company. On his laptop he backed up a new website that should be lunched, but his laptop is...

    Started by thesven, 06-19-2007
    • Replies: 1
    • Views: 934
    06-20-2007 Go to last post
  15. securing ssh from bruteforce

    I love ssh. I often use it to update and change my server's website from anywhere. At the same time having the service open constantly is just...

    Started by rudie_rage, 06-14-2007
    • Replies: 9
    • Views: 1,417
    06-19-2007 Go to last post
  16. How to Restrict users in thier home directory?

    hello how can i lock users in thier /home/user directory so he cant peep out in others user/system files

    Started by hemantgavli, 06-16-2007
    • Replies: 1
    • Views: 5,396
    06-18-2007 Go to last post
  17. Thumbs up what's difference bw su and su -root?

    hi all, i'm logged as user 'lg' and typed su and prompts for passwd i gave the root passwd and logged into #. but when i type ifconfig - its say...

    Started by Lakshmipathi, 06-14-2007
    • Replies: 7
    • Views: 1,384
    06-15-2007 Go to last post
  18. Firewall help

    Hey everyone, I am in a need of a little assistance. I know the basic workings of iptables but I having trouble and always have had trouble with the...

    Started by mbstone99, 06-10-2007
    • Replies: 2
    • Views: 1,219
    06-11-2007 Go to last post
  19. Linux is open source and high security, How!!?

    How can Linux OS guarantees security against viruses, also it's open source. So any person who understanding the source code can make harmful viruses...

    Started by dulajun@yahoo.com, 06-06-2007
    • Replies: 6
    • Views: 1,347
    06-07-2007 Go to last post
  20. Systems are unable to use IPv6 during file transfer through FTP

    Hi, I have configured two machines through ipsec-tools and fedora linux kernel 2.6.18.2 to make them communicating by using IPv6 and IPsec. For...

    Started by ahm_irf, 06-01-2007
    • Replies: 2
    • Views: 4,753
    06-03-2007 Go to last post

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